CN105591120A - Insulator and Fuel Cell - Google Patents

Insulator and Fuel Cell Download PDF

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Publication number
CN105591120A
CN105591120A CN201510766107.1A CN201510766107A CN105591120A CN 105591120 A CN105591120 A CN 105591120A CN 201510766107 A CN201510766107 A CN 201510766107A CN 105591120 A CN105591120 A CN 105591120A
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CN
China
Prior art keywords
insulator
fuel cell
insulator member
collector plate
planar portions
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Granted
Application number
CN201510766107.1A
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Chinese (zh)
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CN105591120B (en
Inventor
堀田裕
高山干城
武山诚
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Toyota Motor Corp
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Toyota Motor Corp
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Publication of CN105591120A publication Critical patent/CN105591120A/en
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Publication of CN105591120B publication Critical patent/CN105591120B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/02Details
    • H01M8/0202Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0204Non-porous and characterised by the material
    • H01M8/0221Organic resins; Organic polymers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/02Details
    • H01M8/0202Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0247Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/24Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465Details of groupings of fuel cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2250/00Fuel cells for particular applications; Specific features of fuel cell system
    • H01M2250/20Fuel cells in motive systems, e.g. vehicle, ship, plane
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/40Application of hydrogen technology to transportation, e.g. using fuel cells

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fuel Cell (AREA)

Abstract

In order to improve a power density of a fuel cell and prevent a generation of a poor insulation, an insulator is provided, which is disposed between a current collector disposed in contact with one end of a stacked body having a plurality of stacked unit cells in stacking directions, and an end member disposed outside from the current collector in the stacking directions, and includes a plurality of insulator members, each having a sheet-like planar portion. The plurality of insulator members which are stacked onto each other by the planar portions thereof are disposed oppose to the current collector.

Description

Insulator and fuel cell
The application advocates the application numbers based on filing an application on November 12nd, 2014The priority of the Japanese patent application of No. 2014-229809, and it is disclosed all by referenceAnd quote in the application.
Technical field
The present invention relates to be used in the insulator of fuel cell.
Background technology
As fuel cell, propose be disposed at collector plate and the end of one end of fuel cell unitBetween plate, configure insulator and guarantee the fuel cell of insulaion resistance (JP2008-251309A).
Summary of the invention
[problem that invention will solve]
In recent years, in order to improve output density (per unit mass or the per unit body of fuel cellLong-pending output energy), require the miniaturization of the inoperative parts of output to fuel cell.Above-mentioned insulator, because the output to fuel cell is inoperative, therefore exists and requires to have useIn thickness the such requirement of this thickness of attenuate of guaranteeing insulation distance. But, insulate at attenuateIn the situation of the thickness of body, with the defective insulation that is produced as cause of pin-and-hole (ピ ン ホ ー Le),And conductive materials while manufacturing taking insulator is to the defective insulation as cause of sneaking into of insulating materialMay occur. It should be noted that, above-mentioned problem is not limited to end plate, at fuel cellBetween the end member arbitrarily of the outside configuration of the end of group and collector plate, configure the knot of insulatorIt in structure, is common problem. As end member, for example, the fuel cell of housing will be contained inPressure plare or end plate etc. that group is pressed towards collector plate are corresponding to this.
[for solving the scheme of problem]
The present invention makes in order to solve at least a portion of above-mentioned problem, can be used as followingMode realize.
(1) according to a mode of the present invention, provide a kind of insulator. This insulator is configured in collectionBetween electroplax and end member, described collector plate and the duplexer with stacked multiple monocellsOne end of stacked direction configure contiguously, described end member configures with respect to described collector plateIn the outside of described stacked direction, wherein, described insulator possesses multiple insulator member, instituteState the planar portions that insulator member has sheet, described multiple insulator member are with described planar portionsOverlapped mode and described collector plate relatively configure. According to the insulator of which, byIn the multiple insulator member that possess the planar portions with sheet, therefore can the each insulator of attenuateThe thickness of the planar portions of member and attenuate, as the thickness of insulator entirety, are being used in fuel electricityIn the situation in pond, can improve the output density of fuel cell. And multiple insulator member willPlanar portions overlaps the to each other configuration, therefore can be suppressed at the identical bits while observation on stacked directionThe buy property situation of raw pin-and-hole etc. Therefore, in the situation that being used in fuel cell, can suppress exhaustedThe generation that edge is bad.
(2) in the insulator of aforesaid way, Ke Yishi, in described multiple insulator memberAt least one insulator member possess in the whole outer rim of described planar portions to described planar portionsThe wall portion that the direction of intersecting forms highlightedly. According to the insulator of which, can fully guaranteeCreepage distance between collector plate and end member, therefore can improve the insulating properties of insulator.And the increase of the area of the insulator can suppress to observe along stacked direction time is also guaranteed along faceDistance therefore can suppress the maximization of fuel cell in the situation that being used in fuel cell.
(3) in the insulator of aforesaid way, Ke Yishi, the plate of described multiple insulator memberThick being below 0.5mm. According to the insulator of which, due to the thickness of each insulator memberThin, therefore can attenuate as the thickness of insulator entirety, be used in the situation of fuel cellCan improve down the output density of fuel cell.
(4) in the insulator of aforesaid way, Ke Yishi, described multiple insulator member byThermoplastic resin forms. According to the insulator of which, use thermoplastic resin as material,Therefore can be shaped and easily be shaped by compression vacuum.
(5) in the insulator of aforesaid way, Ke Yishi, described multiple insulator member are all logicalOvercompression vacuum forming is shaped. According to the insulator of which, can attenuate insulator memberThickness of slab.
The present invention also can realize in every way. For example, can be to possess the fuel of insulatorBattery, possess this fuel cell fuel cell system, be equipped with the car of this fuel cell system, the mode such as the manufacture method of insulator realizes.
Brief description of the drawings
Figure 1A represents to have applied the fuel electricity as the insulator of one embodiment of the present inventionThe cutaway view of the schematic configuration in pond.
Figure 1B is the enlarged drawing in the region shown in the dashdotted circle of the list in Figure 1A.
Fig. 2 is the stereogram that the STRUCTURE DECOMPOSITION of insulator is represented.
[label declaration]
10 ... fuel cell
102 ... monocell
102S ... monocell duplexer
160E ... the first collector plate
160F ... the second collector plate
170 ... end plate
200 ... pressure plare
250 ... screw
300 ... insulator
310 ... the first insulator member
312 ... the first planar portions
314 ... the first wall portion
320 ... the second insulator member
322 ... the second planar portions
324 ... the second wall portion
500 ... housing
Ar1 ... region
D ... creepage distance
SD ... stacked direction
S11 ... the first planar portions 312+face of directions X
S12 ... the first planar portions 312-face of directions X
S21 ... the second planar portions 322+face of directions X
S22 ... the second planar portions 322-face of directions X
T ... the thickness of insulator 300
Detailed description of the invention
A. embodiment:
Figure 1A represents to have applied the fuel electricity as the insulator of one embodiment of the present inventionThe cutaway view of the schematic configuration in pond. Figure 1B is by the region shown in dashdotted the list in Figure 1A circleAr1 amplification illustrates. Fuel cell 10 is so-called polymer electrolyte fuel cells, with reaction gasThe structure together such as supply unit, the supply unit of cooling medium of body (fuel gas and oxidant gas)Become fuel cell system. Such fuel cell system is for example as being used for supplying with driving power supplySystem and be equipped on that electric motor vehicle etc. is upper to be used. It should be noted that, in Figure 1A, forBe convenient to explanation, screw 250 and housing 500 are illustrated by the broken lines.
Fuel cell 10 possesses monocell duplexer 102S, the first collector plate 160E, the second collectionElectroplax 160F, end plate 170, pressure plare 200, insulator 300.
Monocell duplexer 102S has stacked along stacked direction SD multiple monocells 102Structure. Monocell 102 is by a pair of gas of membrane-electrode assembly, clamping membrane-electrode assemblyThe a pair of dividing plate of the duplexer of diffusion layer, clamping membrane-electrode assembly and gas diffusion layers forms.It should be noted that, in the present embodiment, with the stacked direction SD of monocell 102 abreastDetermine X-axis. And, in the present embodiment, determine along the length direction of monocell 102Y-axis, determines Z axis along width. Y-axis and Z axis are respectively orthogonal with X-axisDirection.
The first collector plate 160E and monocell duplexer 102S+join the end contact of directions XPut. In the present embodiment, the first collector plate 160E is formed by aluminium. The second collector plate 160FWith monocell duplexer 102S-configure the end contact of directions X. In the present embodiment,The second collector plate 160F has the 3-tier architecture of titanium layer-aluminium lamination-titanium layer, and outer cause rubber covers.The generation power that the first collector plate 160E and the second collector plate 160F collect each monocell 102 fromTerminal is exported to outside. It should be noted that, the first collector plate 160E can with the second collector plate160F is similarly formed by 3-tier architecture. And 2 collector plate 160E, 160F can be by aluminiumAnd titanium material in addition forms.
End plate 170 is configured in the outside of stacked direction SD with respect to the second collector plate 160F.Be formed with in the inside of end plate 170 for supply with or discharge reaction gas to monocell duplexer 102SThe stream of body or cooling medium. End plate 170+circumference of the face of directions X is provided with ladder,Housing 500-end of directions X contacts with thin-walled portion. In the present embodiment, end plate 170Formed by resin material, there is high-insulativity.
Pressure plare 200 is configured in the outside of stacked direction SD with respect to insulator 300. ?Pressure plare 200-circumference of the face of directions X is provided with ladder. Therefore, pressure plare 200 hasOuter edge becomes thin-walled and central portion to the-outstanding face shaping of directions X. At above-mentioned end differencePoint contain the circumference (described later wall portion) of insulator 300. Pressure plare 200 is from being certainly located atThe load of the bear-directions X of multiple screws 250 that insert in the hole of housing 500, by monocellDuplexer 102S presses, and maintains monocell duplexer 102S's together with end plate 170Stacked state.
At multiple monocells 102, the first collector plate 160E, the second collector plate 160F, pressure plareIn 200, the shape of the face vertical with stacked direction SD is essentially rectangular, with length direction withThe parallel mode of Y-axis configures.
Insulator 300 is configured between the first collector plate 160E and pressure plare 200. Insulator300 possess first insulator member 310 mutually with roughly the same face shaping, second exhaustedEdge body member 320. These 2 insulator member 310,320 are mutually overlapping along stacked direction SDConfiguration. The first insulator member 310 is with respect to the second insulator member 320 and be positioned at-directions X,With the first collector plate 160E+end contact of directions X. The second insulator member 320 is relativeIn the first insulator member 310 and be positioned at+directions X, with pressure plare 200-end face of directions XContact. Insulator 300 is by the first collector plate 160E and pressure plare 200 electric insulations.
Fig. 2 is the stereogram that the STRUCTURE DECOMPOSITION of insulator 300 is represented. The first insulator member310 possess the first planar portions 312, the first wall portion 314. The first planar portions 312 is to have roughlyThe position of the sheet of the plan view shape of rectangle. The first planar portions 312 has and the first collector plate160E+the roughly the same area of end face of directions X. The first planar portions 312 has and monocell102, the same plan view shape such as first collector plate 160E, at the plan view shape of essentially rectangularFour angles and following central authorities are provided with recess. These recesses are in order to suppress insulator 300 and housing500 protuberance or the interference of tension axis and form. The first wall portion 314 is in the first planar portions 312Roughly the forming highlightedly to+directions X on the whole of outer rim. At this, the first wall portion 314 roughlyTo+it is the cause of the pattern draft while having considered shaping that directions X forms highlightedly. The second insulatorMember 320 also similarly possesses the second planar portions 322 and second with the first insulator member 310Wall portion 324. The second planar portions 322 has same shape with the first above-mentioned planar portions 312,The second wall portion 324 has same shape with the first above-mentioned wall portion 314.
By the first planar portions 312+the face S11 of directions X and the second planar portions 322-XThe face S22 of direction configures contiguously, and the first insulator member 310 and the second insulator member320 is overlapping. At this, longitudinal Length Ratio second planar portions 322 of the first planar portions 312 verticalTo length slightly large, the horizontal stroke of horizontal Length Ratio second planar portions 322 of the first planar portions 312To length slightly large. Therefore, the first insulator member 310 and the second insulator member 320 phasesNon-interferencely overlapping. The first planar portions 312-face S12 and first collector plate of directions X160E relatively configures, the second planar portions 322+face S21 and the pressure plare 200 of directions XRelatively configuration.
At this, use Figure 1B, exhausted between the first collector plate 160E and pressure plare 200 be describedEdge distance. In Figure 1B, as insulation distance, the thickness T of insulator 300 is shown and along faceDistance B. It should be noted that, conventionally, " creepage distance " refers to that electricity is in 2 electric conductivity portionsBetween point along the surperficial distance of insulant. In the present embodiment, insulator 300 is thickDegree T is equivalent to the thickness of slab of the first insulator member 310 and the thickness of slab of the second insulator member 320Aggregate value. And, the thin-walled of creepage distance D and the first collector plate 160E and pressure plare 200The distance of the direction along X-axis between portion equates, with each wall portion 314,324 roughly alongThe length (following, also referred to as " highly ") of X-direction is roughly equal. This be because, theThe gap of one wall portion 314 and the second wall portion 324, each wall portion 314,324+end of directions XThe gap of the thinner wall section of portion and pressure plare 200 is very little respectively, and these gaps can be ignored in fact.For the thickness T of the needed insulator 300 that insulate and creepage distance D are based on fuel cell 10Voltage obtain.
In the present embodiment, 320 points of the first insulator member 310 and the second insulator memberNot all do not there is the thickness of slab of 0.3mm at position arbitrarily. It should be noted that the first insulator structureThe thickness of slab of part 310 and the second insulator member 320 can be different, and, respectively notBe confined to 0.3mm, can be made as thickness arbitrarily. But, thick from attenuate insulator 300The viewpoint of degree T is set out, the thickness of slab of the first insulator member 310 and the second insulator member 320Be preferably respectively below 0.5mm. In the present embodiment, the thickness T of insulator 300 isThe 0.6mm of the total of the thickness of slab of the thickness of slab of one planar portions 312 and the second planar portions 322. NeedIllustrate, if the thickness T of the required insulator 300 of can guaranteeing to insulate, thickness of slabTotal be not limited to 0.6mm, can be made as thickness arbitrarily. For example, insulator 300Thickness T (, the total of thickness of slab) can exceed for the required thickness that insulate. And,In present embodiment, the height of the first wall portion 314 and the second wall portion 324 is respectively 8mm. NeedThe height that is noted that the first wall portion 314 and the second wall portion 324 can be different. TheThe height of one wall portion 314 and the second wall portion 324 is as long as guaranteeing the required surface distance that insulateFrom the length of D, be not limited to 8mm, can be length arbitrarily.
The first insulator member 310 and the second insulator member 320 are all (poly-to benzene two with PETFormic acid glycol ester) be material, be shaped by compression vacuum. It should be noted that,Also can replace PET, with PEN (PEN) or PEEK (polyether-ether-ketone)Be material Deng other thermoplastic resin arbitrarily. But, from the sight of cheapization of manufacturing costThe viewpoint of point, durability to hydrolyzable is set out, and preferably uses PET as material. NeedIllustrate, as long as can be configured as the shape of hope, heat-curing resin can be doneFor material. And, also can replace compression vacuum and be shaped, by other the shaping such as drop stampingMethod is shaped.
In the present embodiment, the first collector plate 160E is equivalent to " collector plate ". Pressure plare200 are equivalent to " end member ". And, the first insulator member 310 and the second insulator structurePart 320 is equivalent to " multiple insulator member ".
In the insulator 300 of present embodiment described above, insulator 300 is exhausted by firstThese 2 members of edge body member 310 and the second insulator member 320 form, these 2 members withThe overlapping use of mode that the planar portions 312,322 of sheet is contacted with each other. Therefore, can make absolutelyThe thickness T (along the length of X-direction) of edge body 300 is thinner than in the past, can improve fuelThe output density of battery 10. At this, " output density " of fuel cell 10 refers to fuel electricityThe energy that pond 10 per unit mass or unit volume can be exported.
And, produce the mixed of pin-and-hole or conductive materials even if can think in a side insulator memberIn the situation of the bad position that enters to cause, in the opposing party's insulator member also along stacked sideObserve and to produce the possibility of bad position extremely low mutually the same position to SD. Therefore, with absolutelyThe situation that edge body 300 is made up of 1 member is compared, and can suppress the cause that occurs as with pin-and-holeDefective insulation, with insulator 300 (the first insulator member 310 and the second insulator member320) conductive materials when manufacture is to the product for the defective insulation of cause of sneaking into of insulating materialGive birth to, can improve the reliability of insulator 300. By the above, by using this enforcementThe insulator 300 of mode, can improve the output density of fuel cell 10, and can suppress exhaustedThe generation that edge is bad.
Conventionally, insulator is in the past manufactured with machining or injection molded, but in systemMake, the in the situation that of machining, need thickness of slab more than about 3mm, in the feelings of injection moldedUnder condition, need thickness of slab more than about 2mm. Therefore, manufacture with machining or injection moldedThe insulator that thickness of slab is thinner is more difficult. But, according to the insulator 300, the of present embodimentOne insulator member 310 and the second insulator member 320 are shaped by compression vacuum.Therefore, compared with the structure that uses machining or injection molded to manufacture, can attenuate exhaustedThe thickness of slab of edge body 300, can improve the output density of fuel cell 10. And, due to insulationThe Thickness Ratio of body 300 is in the past thin, therefore can realize cheapization and the resource-saving of fee of material.And, at insulator 300 (the first insulator member 310 and the second insulator member 320)When manufacture, do not carry out machining, therefore can suppress the feelings that insulator 300 work in-processes breakCondition, can suppress the decline of yield rate. And, by taking thermoplastic resin as material, pass throughCompression vacuum is shaped and can easily manufactures, and can simplify manufacturing process. And, due to usePET, as thermoplastic resin, therefore can manufacture insulator 300 at an easy rate, can improve addingThe durability of water decomposition.
And the first insulator member 310 and the second insulator member 320 possess respectively firstWall portion 314 and the second wall portion 324. Therefore, with do not there is the first wall portion 314 and the second wall portion324 structure is compared, can fully guarantee the first collector plate 160E and pressure plare 200 along faceDistance B, can improve the insulating properties of insulator 300. And, the first wall portion 314 and secondWall portion 324 is formed at and roughly orthogonal direction of the first planar portions 312 and the second planar portions 322,Be contained in the stepped portion of the outer rim of pressure plare 200. Therefore, can suppress along stacked direction SDThe increase of the area of the insulator 300 when observation, and can guarantee creepage distance D, therefore canEnough suppress the maximization of fuel cell 10. And the Area Ratio second of the first planar portions 312 is flatThe area of face 322 is slightly large, therefore makes the first insulator member 310 and the second insulator structureWhen part 320 is overlapping, can suppress to interfere by thickness of slab.
B. variation:
B-1. variation 1:
In the above-described embodiment, insulator 300 is exhausted by the first insulator member 310 and secondThese 2 members of edge body member 320 form, but insulator 300 also can be above by 3Member forms. By said structure, can further suppress with pin-and-hole be produced as cause absolutelyEdge is bad, sneaking into as the generation of the defective insulation of cause taking conductive materials to material.
B-2. variation 2:
In the above-described embodiment, the first insulator member 310 and the second insulator member 320Possess respectively the first wall portion 314 and the second wall portion 324, but the present invention is not defined in this. CanTo omit at least one party in the first wall portion 314 and the second wall portion 324. In this structure, logicalCross the maximization of 2 planar portions 312,322, by overlapping more insulator member etc., canGuarantee creepage distance D.
B-3. variation 3
In the above-described embodiment, the first wall portion 314 and the second wall portion 324 are respectively to firstPlanar portions 312 and the second planar portions 322 roughly orthogonal direction form highlightedly, but thisBrightly be not defined in this. Also can be with respect to 2 planar portions 312,322 to become respectively arbitrarilyThe mode of angle forms highlightedly. And the first planar portions 312 becomes with the first wall portion 314Angle and the second planar portions 322 and the second wall portion 324 angulations can be different.But these angles are preferably set at and make the first insulator member 310 and the second insulator structureWhen part 320 is overlapping, 2 wall portions 314,324 are mutually non-interference. It should be noted that firstThe height of wall portion 314 and the second wall portion 324 can be different. That is, conventionally, multiple insulationIn body member at least 1 can possess the outer rim of planar portions on the whole to handing over planar portionsThe wall portion that the direction of fork forms highlightedly.
B-4. variation 4:
In the above-described embodiment, the first wall portion 314 and the second wall portion 324 to pressure plare 200Relative direction forms highlightedly, but the present invention is not defined in this. The first wall portion 314 andThe second wall portion 324 also can form highlightedly to the direction relative with the first collector plate 160E. ChangeYan Zhi can be also that the face S12 of first planar portions 312-directions X is relative with pressure plare 200Ground configuration, and the second planar portions 322+face S21 and the first collector plate 160E phase of directions XConfiguration over the ground. And, can be also that in the first wall portion 314 and the second wall portion 324 is squareBe formed in the direction relative with pressure plare 200, the opposing party is formed at relative with the first collector plate 160EDirection. By said structure, also can guarantee creepage distance D, and suppress the product with pin-and-holeRaw for the defective insulation of cause, sneak into as the defective insulation of cause taking conductive materials to materialProduce.
B-5. variation 5:
In the above-described embodiment, insulator 300 is configured in the first collector plate 160E and pressure plareBetween 200, but the present invention is not defined in this. Can imagine fuel cell 10 and replace pressure plare200 and possess other the situation of end member arbitrarily such as end plate. In this case, insulator300 also can replace and are disposed between pressure plare 200 and the first collector plate 160E, and are disposed atBetween other end member arbitrarily and the first collector plate 160E. That is, conventionally, insulator 300Be configured between collector plate and end member, this collector plate is configured in has stacked multiple single electricityOne end of the stacked direction of the duplexer in pond, this end member is configured in respect to stacked directionThe outside of collector plate.
The present invention is not limited to above-mentioned embodiment or variation, is not departing from its purportIn scope, can realize with various structures. For example, in each mode that, summary of the invention one hurdle is recordedTechnical characterictic in the corresponding embodiment of technical characterictic, variation is in order to solve above-mentioned classPart or all of topic, or in order to realize part or all of above-mentioned effect, canSuitably change, combine. And this technical characterictic is in this manual so long as not conductNecessary feature describes, and just can suitably delete.

Claims (10)

1. an insulator, is configured between collector plate and end member described collector plate and toolThere is one end of the stacked direction of the duplexer of stacked multiple monocells to configure contiguously, described endPortion's member is configured in the outside of described stacked direction with respect to described collector plate, wherein,
Described insulator possesses multiple insulator member, and described insulator member has the flat of sheetFace,
Described multiple insulator member is with the overlapped mode of described planar portions and described collector plateRelatively configuration.
2. insulator according to claim 1, wherein,
At least one insulator member in described multiple insulator member possesses in described planar portionsWhole outer rim on the wall portion that forms highlightedly to the direction of intersecting with described planar portions.
3. according to claim 1 or insulator claimed in claim 2, wherein,
The thickness of slab of described multiple insulator member is below 0.5mm.
4. according to the insulator described in any one in claim 1~claim 3, wherein,
Described multiple insulator member forms by thermoplastic resin.
5. insulator according to claim 4, wherein,
Described multiple insulator member is all shaped by compression vacuum.
6. a fuel cell, possesses:
Duplexer, has stacked multiple monocells;
Collector plate, configures contiguously with one end of the stacked direction of described duplexer;
Insulator, is configured in the outside of described stacked direction with respect to described collector plate; And
End member, is configured in the outside of described stacked direction with respect to described insulator,
Wherein,
Described insulator has multiple insulator member, and described insulator member has the flat of sheetFace,
Described multiple insulator member is with the overlapped mode of described planar portions and described collector plateRelatively configuration.
7. fuel cell according to claim 6, wherein,
At least one insulator member in described multiple insulator member possesses in described planar portionsWhole outer rim on the wall portion that forms highlightedly to the direction of intersecting with described planar portions.
8. according to claim 6 or fuel cell claimed in claim 7, wherein,
The thickness of slab of described multiple insulator member is below 0.5mm.
9. according to the fuel cell described in any one in claim 6~claim 8, wherein,
Described multiple insulator member forms by thermoplastic resin.
10. fuel cell according to claim 9, wherein,
Described multiple insulator member is all shaped by compression vacuum.
CN201510766107.1A 2014-11-12 2015-11-11 insulator and fuel cell Active CN105591120B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014229809A JP6210050B2 (en) 2014-11-12 2014-11-12 Fuel cell
JP2014-229809 2014-11-12

Publications (2)

Publication Number Publication Date
CN105591120A true CN105591120A (en) 2016-05-18
CN105591120B CN105591120B (en) 2018-12-11

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US (1) US10270105B2 (en)
JP (1) JP6210050B2 (en)
KR (1) KR101856295B1 (en)
CN (1) CN105591120B (en)
CA (1) CA2910891C (en)
DE (1) DE102015118840B4 (en)

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CN111129563A (en) * 2018-10-31 2020-05-08 丰田自动车株式会社 Battery pack case for fuel cell and external restraint member

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Publication number Priority date Publication date Assignee Title
JP7082954B2 (en) * 2019-04-03 2022-06-09 森村Sofcテクノロジー株式会社 Electrochemical reaction cell stack

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